基于共享数据库的空间电磁环境监测方法与系统
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摘要
提出一种基于共享数据库技术的空间电磁环境监测系统方案,设计机载现场可编程门阵列(FPGA)核心频谱采集分析模块,开发信号传输链路、数据处理及系统显示控制软件。基于共享数据库技术,利用无人机(UAV)机载信号采集模块,将测量到的空间频谱数据和地理位置信息实时回传;终端显示控制系统将监测数据分别以频谱图和辐射热图的方式,在数字地图上对所测空间区域电磁频谱分布实时直观显示,将电磁频谱监测从地面扩展到三维空间。试验证明,本系统可高效灵活地监测空间频谱的实时变化情况,为频谱管理、空间电磁环境实时监测以及发射源侦测定位提供重要的技术支撑。
A method for monitor system of electromagnetic environment in spatial based on shared database is proposed. Acquisition and analysis module that install on Unmanned Aerial Vehicle(UAV) for spectral information is designed and the control software for signal transm ission, data processing and system display is developed. Based on shared database technology, the spatial electromagnetic data and GPS information are received in real time, which are acquired by signal acquisition and analysis module installed on UAV, and then, in real time, the terminal control system displays these information on digital map in the form of spectrogram or radiation heat map, all of which extend electromagnetic spectrum monitoring from the ground to three dimensional space. Finally, experi ment and measurement show that the system can efficiently and flexibly monitor the real-time change of space spectrum, and provide important technical support for spectrum management, real-time monitoring of spatial electromagnetic environment and detectio n and localization of emission source.
A method for monitor system of electromagnetic environment in spatial based on shared database is proposed. Acquisition and analysis module that install on Unmanned Aerial Vehicle(UAV) for spectral information is designed and the control software for signal transm ission, data processing and system display is developed. Based on shared database technology, the spatial electromagnetic data and GPS information are received in real time, which are acquired by signal acquisition and analysis module installed on UAV, and then, in real time, the terminal control system displays these information on digital map in the form of spectrogram or radiation heat map, all of which extend electromagnetic spectrum monitoring from the ground to three dimensional space. Finally, experi ment and measurement show that the system can efficiently and flexibly monitor the real-time change of space spectrum, and provide important technical support for spectrum management, real-time monitoring of spatial electromagnetic environment and detectio n and localization of emission source.
引文
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[2]阙渭焰.电磁作战环境概念分析[J].强激光与粒子束,2017,29(11):80-83.(QUE Weiyan.Concept analysis of electromagnetic operational environment[J].High Power Laser and Particle Beams,2017,29(11):80-83.)
[3]TJELTA T,STRUZAK R.Spectrum management overview[J].Ursi Radio Science Bulletin,2017,85(1):25-28.
[4]王东.复杂电磁环境数字仿真系统研究[J].装备环境工程,2018(1):100-104.(WANG Dong.Study on digital system of complex electromagnetic environment[J].Equipment Environmental Engineering,2018(1):100-104.)
[5]W A N G M,S HEN G Y,HU AN G Y,et al.S patialinter polationmet hod of electroma gnetic geogra phical environment monitoring data[J].Journal of Geo-Information Science,2017,19(7):872-879.
[6]王楠,黄志洪,杨海钢,等.一种支持高效加法的FPGA嵌入式DSP IP设计[J].太赫兹科学与电子信息学报,2017,15(5):867-873.(WANG Nan,HUANG Zhihong,Y ANG Haigang,et al.A design of FPGA embedded DSP IP core supporting efficient addition[J].Journal of Terahertz Science and Electroni c Information Technology,2017,15(5):867-873.)
[7]TOHIDIAN M,MADADI I,STASZEWSKI R B.A fullyinte grated discrete-time superheterodyne receiver[J].IEEETransactions on Very Large Scale Integration Systems,2017,25(2):635-647.
[8]PFEIFLE F.Real-time signal processing on field programmable gate array hardware[J].Springer,2018,10(10):385-417.
[9]CHADUC J M,POGOREL G.Spectrum monitoring[M].[S.l.]:ISTE,2010.
[10]张伟达.频谱监测中微弱信号检测与提取的实现[D].成都:电子科技大学,2017.(ZHANG Weida.Realization of weak signal detection and extraction in spectrum monitoring[D].Chengdu,China:University of Electronic Science and Technology of China,2017.)